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If you are self-supplementing with high doses, discuss this with your GP to ensure it is appropriate and safe for your individual circumstances

One of the most common questions concerns timing

Even if no adverse effects were detected, a larger study will be necessary in order to validate its clinical efficacy (Sufit et al., 2017)

10.1302/2058-5241.2.160075 73 XieJ.BianH.QiS.XuY.TangJ.LiT.et al (2008)

Thats because research-grade peptides arent subject to the same quality controls as their pharmaceutical-grade counterparts, and many have purity levels as low as 60%.4 Thus, they have a greater potential to be toxic and cause the life-threatening adverse effects we discuss under Therapeutic peptide safety. You can find pharmaceutical-grade versions of non-GLP-1 peptides online, but you need to be quite careful if youre seeking a peptide therapy for something like muscle growth, immune function, longevity, or another health concern unrelated to weight loss